Finding the Fourth Proportional to 100.04, 149.94 and 73.10

Step by Step Solution

1. Step 1: Write the proportion equation
   100.04 : 149.94 = 73.10 : x
2. Step 2: Convert to fraction form
   100.04/149.94 = 73.10/x
3. Step 3: Cross multiply
   100.04x = 149.94 × 73.10
4. Step 4: Simplify right side
   100.04x = 10,960.61
5. Step 5: Solve for x
   x = 10,960.61/100.04
6. Step 6: Final answer
   x = 109.56